On of the dancers with the Righteously Outrageous Twirling Corps wore only half a mask as more an of accent than as a disguise.

A fellow marching with Latinos de Ambiente del Area de la Bahia wore a Commedia dell'arte style mask.

One of those marching with Fly Home to Park Merced wore an alligator mask and a beaded necklace.

The man on the Kaiser Permanente float wore a colorful wig and a butterfly mask.

One fellow wore a complex costume with the body and wings of a butterfly, but with a simple but colorful mask just covering his eyes.

One man marching with the San Francisco SPCA wore a many-eyed mask and an over-decorated helmet.

One of the girls marching with the Fremont Human Relations Commission wore a feline mask constructed of fur and feathers.

Riding in the back of a fake cable car, this person wrapped in the British flag wore a mask of the Queen of England.

One of those marching with the San Francisco Zoo contingent wore a penguin costume with a strikingly good penguin mask.

The mask worn by those who wish to remain anonymous. The mask is that of Guy Fawkes from the movie 'V For Vendetta."

A simple, black leather mask was sufficient because of his thick, but closely cut black beard.